Livestock | Completed

4-Corners Bull Test

Colorado State University was one of the first universities to establish a bull test for evaluating the performance of young bulls. Progeny from...
Other | Completed

Archeological Survey

A cultural resource inventory of 247 acres surrounding and including the Old Fort Lewis Complex near Hesperus, Colorado, was undertaken by the...
Livestock | Completed

Brisket Disease

Brisket Disease, also known as High Mountain Disease or Pulmonary Hypertension, is one of the Rocky Mountain region's most costly diseases....
Livestock | Completed

Cow Herd Management

The SJBRC cow herd was has generally been managed under commercial conditions similar to those of other ranches in the Four Corners area.
Other | Completed


Catherine and Joe Ortega Ph.D., from the FLC biology department, have been studying cowbirds at the Old Fort for 7 years.


San Juan Basin Research Center

Research at the Old Fort provided many opportunities for graduate student research projects at Colorado State University. Over 40 MS theses and Ph.D. dissertations have been written on data collected at the Old Fort (San Juan Basin Research Center), and over 200 scientific papers and popular articles have been published.

In June 2010, Colorado State University closed the San Juan Basin Research Center at the Hesperus location.

View historical research records

Reach out about a new project

Please contact us to inquire about a new project at the Old Fort.

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The Old Fort

18683 CO-140
Hesperus, CO 81326

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Land Acknowledgement 

We acknowledge the land that the Old Fort is situated upon is the ancestral land and territory of the Nuuchiu (Ute) people who were forcibly removed by the United States Government. We also acknowledge that this land is connected to the communal and ceremonial spaces of the Jicarilla Abache (Apache), Pueblos of New Mexico, Hopi Sinom (Hopi), and Diné (Navajo) Nations.

The Old Fort and Fort Lewis College are committed to reconciling their history as a federal Indian Boarding School from 1892 to 1909.

Learn more about reconciliation


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The Old Fort is owned by the Colorado State Land Board and managed by Fort Lewis College.

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